Pena Station

Phase 1 Infrastructure Development

SERVICES PROVIDED

PROJECT SCOPE

Iron Woman was contracted by Hensel-Phelps to provide installation of two miles of deep sanitary sewer (30’) in heavy groundwater and more than two miles of new water lines that required close coordination with the project storm water system installation. The two-mile storm package included large runs of various sizes and a large drainage channel comprised of soil rip rap, large boulder drops, hand sculpted spillways and swirlbays.

Utilities: Water, Storm & Sanitary

1-mile 4” and 6” PVC non-potable water line

2 miles of domestic water lines from 8” to 16” PVC with associated valves and hydrants

9,140 LF of sanitary sewer ranging from 8” to 24” to depths of 30’ in heavy ground with associated connections

2,620 LF sanitary force main ranging from 12” to 24” with connections to existing lift stations and manholes

Civil: Excavation & Earthwork

Excavation shoring and trench box placement

Channel stabilization

Class 6 RB maintenance road & access trail

Flowfill and grading

Asphalt demo and subgrade compaction

Environmental: Effluent Monitoring for Dewatering Activities

Effluent monitoring during 10 weeks of dewatering activities

Regulatory compliance and reporting

Channel clean-up

Transportation & Disposal

Aggregate delivery

Onsite hauling of utility spoils

Demo & haul concrete waste

Removal of unsuitable fill

This multi-jurisdictional project required effective communication to coordinate the efforts of various districts, agencies and subcontractors engaged in the work. On a technical basis, notable challenges included the installation of a deep sanitary sewer line with a sanitary force main in heavy groundwater requiring significant dewatering activities.

OWNER

SERVICES

VALUE

Pena Station NEXT is one part of a 7,500-acre strategic development surrounding the Denver International Airport (DIA). This 400-acre development is slated for an eight city block mixed-use neighborhood includes the recently completed Downtown Denver – DIA rail line that serves as its western boundary. Sustainability is a focus on this project from the infrastructure build-out to the development of advanced smart-city technology throughout; one reason it will be the new headquarters for Panasonic Enterprise Solutions Division.